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Subtrace is the network inspector for your backend. With just one command, you’ll be able to see every HTTP request in your backend. Follow this guide to add it to your codebase in under two minutes.
1

Install the Subtrace CLI

Open a terminal and install the Subtrace CLI:
curl -fsSL https://subtrace.dev/install.sh | sh
2

Start with Subtrace

Start your backend like you normally do but wrap the command with Subtrace:
subtrace run -- my-app-command
3

Watch

Open the subt.link URL in your browser to watch a live stream of your backend server’s network logs!

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Next steps

Check out the guide specific to your backend for next steps: If your language or framework isn’t listed here, let us know and we can help you get started. Join our discord server or email us at [email protected] for assistance.

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Troubleshooting

Add the SYS_PTRACE capability to your container.
docker run --cap-add=SYS_PTRACE ...
See the full guide for other platforms and environments.